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| 1 | Some evidence of drying trend over northern China from 1951 to 2004显示文摘The surface wetness index, Palmer drought sererity index and the retrieval of soil moisture over China were calculated using monthly precipitation and monthly mean surface air temperature. Based on the contrast analysis of the variation of the above three indices and precipitation, the dry/wet spatio-temporal pattern of northern China in the last 54 years was revealed, and the evidence of drying trend over northern China was analyzed, especially. The results show the following four facts: (1) The drying trend is the main characteristic of the eastern part of Northwest China and the central part of North China since the 1980s and it was enhanced in the last 15 years mainly due to the precipitation decrease and the temperature increase; (2) During the last 54 years, there was only one dry/wet shift at the interdecadal scale occurring in the eastern part of Northwest China and the central part of North China in the late 1970s, which was related to 1977/1978 global abrupt change, whereas there were three shifts in Northeast China, one was in the mid 1990s and the other two were in 1965 and 1983, respectively; (3) Unlike the variation trend of other subregions of northern China, the western part of Northwest China is currently located in a relatively wetting period, which is weak-ened due to the temperature increase; (4) The extreme drought frequency is obviously increasing in the eastern part of Northwest China, the central part of North China and Northeast China since the 1980s, which is closely related to the precipitation decrease and temperature increase in these subregions. | MA Zhuguo1,2 & FU Congbin1,2 1. Key Laboratory of Regional Climate-Environment for Temperate East Asia, Chinese Academy of Sciences, Beijing 100029, China 2. START Regional Center for Temperate East Asia, Institute of Atmos-pheric Physics, Chinese Academy of Sciences, Beijing 100029, China | 2006 | Chinese Science Bulletin2006,51,23: | 63 |
| 2 | Regional soil moisture simulation for Shaanxi Province using SWAT model validation and trend analysis显示文摘The soil moisture in Shaanxi Province,a region with complex topography,is simulated using the distributed hydrological model Soil Water Assessment Tool(SWAT).Comparison and contrast of modeled and observed soil moisture show that the SWAT model can reasonably simulate the long-term trend in soil moisture and the spatiotemporal variability of soil moisture in the region.Comparisons to NCEP/NCAR and ERA40 reanalysis of soil moisture show that the trend of variability in soil moisture simulated by SWAT is more consistent with the observed.SWAT model results suggested that high soil moisture in surface soil layers appears in the southern Shaanxi with high vegetation cover,and the Qinling mountainous region with frequent orographic precipitation.In deeper soil layers,high soil moisture appears in the river basins and plains.The regional soil moisture showed a generally decreasing trend on all soil layers from 1951 to 2004,with a stronger and significant decreasing trend in deeper soil layers,especially in the northern parts of the province. | LI MingXing1,2,MA ZhuGuo1 & DU JiWen3 1 Key Laboratory of Regional Climate-Environment Research for Temperate East Asia,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China 3 Shaanxi Administration of Meteorology,Xi’an 710014,China | 2010 | Science China Earth Sciences2010,53,4: | 9 |
| 3 | New Solution to Surface Temperature of Casting Slab Measurement Based on Preceded Reflector and Multi-Wavelength显示文摘The surface temperature of casting slab is an important parameter in the metallurgy field. Because the surface emissivity is uncertain and also unknown, it is difficult to measure the slab surface temperature accurately. A method based on preceded reflector and multi-wavelength was put forward to deal with the difficulty in surface temperature measurement of casting slab. On the premise of preceded reflector and non-preceded reflector, the method establishes the radiation energy equations and works out the emissivity and temperature in the equations. Also, the multilayer modeling of casting slab surface and multiple reflection-absorption process modeling were built by Monte Carlo method. The temperature measuring method had been applied in the continuous casting field. In order to verify the measured result, the thermal imaging method was adopted when the slab surface emissivity was set by repeated tests. Finally, the measured and verified temperature curves keep a same tendency and the error of the values is lower than 5℃. The comparison result shows that the method can measure temperature accurately. | LIU Jun1, MA Jiao-cheng2, YANG Feng3, XIAO Hui1, RAO Li-min1 (1. School of Nuclear Engineering and Technology, East China Institute of Technology, Fuzhou 344000, Jiangxi, China 2. School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110004, Liaoning, China 3. School of Civil and Environmental Engineering, East China Institute of Technology, Fuzhou 344000, Jiangxi, China) | 2012 | Journal of Iron and Steel Research(International)2012,19,8: | 2 |
| 4 | A relative local variational principle for topological pressure显示文摘We define the relative local topological pressure for any given factor map and open cover,and prove the relative local variational principle of this pressure.More precisely,for a given factor map π:(X,T)→(Y,S) between two topological dynamical systems,an open cover U of X,a continuous,real-valued function f on X and an S-invariant measure ν on Y,we show that the corresponding relative local pressure P(T,f,U,y) satisfies sup μ∈M(X,T){ hμ(T,U|Y)+∫X f(x)dμ(x) :πμ=ν}=∫Y P(T,f,U,y)dν(y),where M(X,T) denotes the family of all T-invariant measures on X.Moreover,the supremum can be attained by a T-invariant measure. | MA XianFeng1,CHEN ErCai2,3,& ZHANG AiHua2,4 1Department of Mathematics,East China University of Science and Technology,Shanghai 200237,China 2School of Mathematics and Computer Science,Nanjing Normal University,Nanjing 210097,China 3Center of Nonlinear Science,Nanjing University,Nanjing 210093,China 4College of Mathematics and Physics,Nanjing University of Posts and Telecommunications,Nanjing 210046,China | 2010 | Science China Mathematics2010,53,6: | 2 |
| 5 | Racial difference in the outcomes of patients with diastolic heart failure显示文摘 | East MA Peterson ED Shaw LK | 2004 | Am Heart J2004,148,: | 1 |
| 6 | Racial differences in the outcomes of patients diastolic heart failure显示文摘 | East MA Peterson ED Shaw LK | 2004 | Am Heart J2004,,148: | 1 |
| 7 | Long-term hearing results of incus transposition 显示文摘 | Siddiq MA East DM | 2004 | Clin Otolaryngol Allied Sci2004,29,2: | 1 |
| 8 | Variation of peroxidase isoenzyme and biofilm of Phanerochaete chrysosporium in continuous membrane bioreactor for Reactive Brilliant Red X3-B treatment显示文摘The inuence of a Reactive Brilliant Red X-3B (RBR X-3B) dye on the peroxidase isoenzyme of Phanerochaete chrysosporium was determined, and the biofilm structure in a white rot fungal continuous membrane bioreactor (MBR) was also investigated by scanning electron microscope (SEM). The variation of peroxidase isoenzyme and the decolorization rate in the continuous MBR were evaluated. The results showed that the 100 mg/L RBR X-3B could stimulate the production of the peroxidase isoenzyme in the shaking-ask culture. In addition, two new peroxidase isoenzyme bands with relative mobility (Rf) value of 0.27 and 0.28 appeared, but the activity was lower than the blank control of 11 d. In the continuous MBR, the system worked stably during the first 60 d, the main peroxidase isoenzyme bands existed and three new bands with Rf value of 0.10, 0.27, and 0.28 appeared. Meanwhile, the biofilm grew well and the average decolorization rate could reach 90.6%. But the bands of peroxidase isoenzyme decreased rapidly at day 65, only two bands with Rf value 0.24 and 0.26 existed, and the decolorization rate decreased to 78.3%. Therefore, 5 bottles of P. chrysosporium mycelial pellet were added into the MBR, and then the activity of the peroxidase isoenzyme and the decolorization rate had a slight recovery. Finally, the decolorization rate finally decreased to 75.2%. These results contribute to a comprehensive understanding of the variation of peroxidase isoenzyme and biofilm in continuous MBR by white rot fungi. | GAO Shang, CHEN Cheng, TAO Fang, HUANG Minsheng, MA Lihua, WANG Zhonghua, WU Linhui School of Resource and Environment Science, East China Normal University, Shanghai 200062, China. | 2009 | Journal of Environmental Sciences2009,21,7: | 1 |
| 9 | ON THE DYNAMIC BEHAVIOR OF TWO-DIMENSIONAL SHEET CAVITATION显示文摘A nonlinear method for simulating two-dimensional cavity-flow interaction inhigh velocity flows is suggested. Mathematical model for the dynamics of unsteadycavity boundary and the motion of the outside flow is set up, numerical andexperimental investigations are made for the cavity flow past a two-dimensional bow-shaped body. The results show that because of the nonlinear effect, the trail of thecavity oscillates periodically, while the incipient point of the cavity almostremains fixed. Due to the unsteady oscilation of the cavity trail, the liquidpressure on the solid wall a little downstream of the reattachement point wouldrise sharply. | Huang Jian-bo, East China Institute of Metallurgy, Ma’anshan City, P.R. ChinaNi Han-gen, Dalian University of Technology, Dalian, P.R. China | 1989 | Journal of Hydrodynamics1989,1,3: | 1 |
| 10 | Severe pulmonary hypertension in liver transplant candidates显示文摘 | MA Ramsay BR Simpson AT Nguyen KJ Ramsay C East GB Klintmalm | 1997 | Liver Transplantation1997,,5: | 1 |
| 11 | THICKENING DYNAMICS OF TIN PARTICLES IN HAZ OF LOW CARBON STEEL显示文摘AKinetic modelofthickening of TiNparticlesin heat- affected - zone( HAZ) of low car bonsteelhasbeen proposedinthispaper.Itisalsofoundthatthesolutionofsome TiNparti clesisrapid, andthethickening of TiNparticlesis mainlycontrolled by diffusion of Tiatomforwardinterfaceofinsoluble TiNparticles. | J.S.Gao, Q.A.Zhang , Y.C.Hong and G.Q.Yin East China University of Metallurgy , Ma’an Shan 243002 ,China | 1999 | Acta Metallurgica Sinica(English Letters)1999,12,4: | 1 |
| 12 | STUDY ON THE PYROLYSIS AND RECYCLING OF PVC WASTE AS AN ENERGY SOURCE显示文摘The pyrolysis dechlorination of PVC (polyvinyl chloride) has been carried out by batch operation under atmospheric pressure. The kinetics involved in the PVC thermal decomposition was studied by using thermogravimetric technique. Several tests were carried out at the heating rate of 5-10℃/min, the yields of products and the distribution of chlorine were also studied. The kinetic parameters such as activation energies, reaction orders and preexponential factors under nitrogen atmosphere were calculated by applying Friedman’s method. The results showed that the PVC thermal degradation is substantially a two-step process. The first step mainly involves dechlorination of the polymers. HCI is the main volatile product and this reaction can be seen as a first-order reaction. A kinetic model for the thermal dechlorination of PVC has been developed. | Ma Shibai, Yin Jianjun, Lu Jun and Gao Jinsheng (East China University of Science and Technology Shanghai 200237) | 2000 | 化工学报2000,51,S1: | 1 |
| 13 | Midwives'and doctors' perceptions of their preparation for and practice in managing the perineum in the second stage of labour: a cross - sectional survey显示文摘 | East CE Lau R Biro MA | 2015 | Midwifery2015,31,1: | 1 |
| 14 | Study on the Improvement of Sea-Entering Waterway in the Changjiang Estuary显示文摘The Changjiang Estuary is the doorway of the Shanghai Harbour and the throat for the six provinces in the Changjiang River drainage area. However the minimum water depth of the waterway in the estuary is only about six meters, so that the development of the Shanghai Harbour and the utilization of water transportation on the Changjiang River have been greatly restrained. Since 1975, the depth of the sea-entering waterway of the Changjiang Estuary has been successfully increased by one meter. This article has made a comprehensive summing-up about the selection of waterways, the determination of the line for dredging and disposal of the dredged material, thus providing reference data for future work in increasing the depth of the waterway of the Changjiang Estuary and for controlling similar waterways of other estuaries. | Shen Huanting , Xu Haigen Ma Xiangqi Professor, Institute of Estuarine and Coastal Research, East China Normal Universtiy, Shanghai Associate Professor, Institute of Estuarine and Coastal Research, East China Normal University, Shanghai Senior Engineer, Shanghai Waterway Bureau, Shanghai | 1992 | China Ocean Engineering1992,7,3: | 0 |
| 15 | The Preparation of Unsymmetrical Diaminodimethylsilanes and the Cleavage of Silicon-Nitrogen Bonds by Acid Chloride显示文摘Seven unsymmetrical ditaminodimethylsilanes were prepared. The reactions of these silylamine with benzoyl chloride indicated that in comparison with electronic, the steric effect played more important role on the reactivity of Si-N bond. As a new method, unsymmetrical diamide can be produced by the reaction of the title compounds with diacid chloride. | Guo Bin RONG Ru Jian MA Chong Ying ZHOU Zhu Liang JIN Wan Nian WU Qing WANG (Department of Chemistry, East China University of Science and Technology, Shanghai, 200237) | 1997 | Chinese Chemical Letters1997,8,11: | 0 |
| 16 | Immunosuppression medication and cardiac function improvement treatments might prevent Takayasu arteritis patients with aortitis from receiving cardiac surgery显示文摘To the Editor:Takayasu arteritis(TA),a non-specific large-vessel vasculitis characterized by granulomatous inflammation of vascular walls,[1] has been reported the main cause for 53% of aortitis.[2] TA with aortitis,involving aorta,aortic root(ring and sinus),and valves,may lead to heart failure and mortality attributed to aortic stenosis or dilation,aneurysm or dissection,aortic valve insufficiency,perivalvular leakage,and so on. | Xiao-Min Dai Yu-Jjiao Wang Zhen-Chun Zhang Cheng-De Yang Rui Wu Zhen-Yuan Zhou Xiao-Xiang Chen Xiao-Ning Sun Chun-Sheng Wang L-Li Ma Lin-Di Jiang the East China Takayasu Arteritis(ECTA)Collaboration Group | 2021 | Chinese Medical Journal2021,,5: | 0 |
| 17 | Decline in subarachnoid haemorrhage volumes associated with the first wave of the COVID- 19 pandemic显示文摘Background During the COVID-19 pandemic,decreased volumes of stroke admissions and mechanical thrombectomy were reported.The study’s objective was to examine whether subarachnoid haemorrhage(SAH)hospitalisations and ruptured aneurysm coiling interventions demonstrated similar declines.Methods We conducted a cross-sectional,retrospective,observational study across 6 continents,37 countries and 140 comprehensive stroke centres.Patients with the diagnosis of SAH,aneurysmal SAH,ruptured aneurysm coiling interventions and COVID-19 were identified by prospective aneurysm databases or by International Classification of Diseases,10th Revision,codes.The 3-month cumulative volume,monthly volumes for SAH hospitalisations and ruptured aneurysm coiling procedures were compared for the period before(1 year and immediately before)and during the pandemic,defined as 1 March-31 May 2020.The prior 1-year control period(1 March-31 May 2019)was obtained to account for seasonal variation.Findings There was a significant decline in SAH hospitalisations,with 2044 admissions in the 3 months immediately before and 1585 admissions during the pandemic,representing a relative decline of 22.5%(95%CI−24.3%to−20.7%,p<0.0001).Embolisation of ruptured aneurysms declined with 1170-1035 procedures,respectively,representing an 11.5%(95%CI−13.5%to−9.8%,p=0.002)relative drop.Subgroup analysis was noted for aneurysmal SAH hospitalisation decline from 834 to 626 hospitalisations,a 24.9%relative decline(95%CI−28.0%to−22.1%,p<0.0001).A relative increase in ruptured aneurysm coiling was noted in low coiling volume hospitals of 41.1%(95%CI 32.3%to 50.6%,p=0.008)despite a decrease in SAH admissions in this tertile.Interpretation There was a relative decrease in the volume of SAH hospitalisations,aneurysmal SAH hospitalisations and ruptured aneurysm embolisations during the COVID-19 pandemic.These findings in SAH are consistent with a decrease in other emergencies,such as stroke and myocardial infarction. | Thanh N Nguyen Diogo C Haussen Muhammad M Qureshi Hiroshi Yamagami Toshiyuki Fujinaka Ossama Y Mansour Mohamad Abdalkader Michael Frankel Zhongming Qiu Allan Taylor Pedro Lylyk Omer F Eker Laura Mechtouff Michel Piotin Fabricio Oliveira Lima Francisco Mont'Alverne Wazim Izzath Nobuyuki Sakai Mahmoud Mohammaden Alhamza R Al-Bayati Leonardo Renieri Salvatore Mangiafico David Ozretic Vanessa Chalumeau Saima Ahmad Umair Rashid Syed Irteza Hussain Seby John Emma Griffin John Thornton Jose Antonio Fiorot Rodrigo Rivera Nadia Hammami Anna M Cervantes-Arslanian Hormuzdiyar H Dasenbrock Huynh Le Vu Viet Quy Nguyen Steven Hetts Romain Bourcier Romain Guile Melanie Walker Malveeka Sharma Don Frei Pascal Jabbour Nabeel Herial Fawaz Al-Mufti Atilla Ozcan Ozdemir Ozlem Aykac Dheeraj Gandhi Chandril Chugh Charles Matouk Pascale Lavoie Randall Edgell Andre Beer-Furlan Michael Chen Monika Killer-Oberpfalzer Vitor Mendes Pereira Patrick Nicholson Vikram Huded Nobuyuki Ohara Daisuke Watanabe Dong Hun Shin Pedro SC Magalhaes Raghid Kikano Santiago Ortega-Gutierrez Mudassir Farooqui Amal Abou-Hamden Tatsuo Amano Ryoo Yamamoto Adrienne Weeks Elena A Cora Rotem Sivan-Hoffmann Roberto Crosa Markus Möhlenbruch Simon Nagel Hosam Al-Jehani Sunil A Sheth Victor S Lopez Rivera James E Siegler Achmad Fidaus Sani Ajit S Puri Anna Luisa Kuhn Gianmarco Bernava Paolo Machi Daniel G Abud Octavio M Pontes-Neto Ajay K Wakhloo Barbara Voetsch Eytan Raz Shadi Yaghi Brijesh P Mehta Naoto Kimura Mamoru Murakami Jin Soo Lee Ji Man Hong Robert Fahed Gregory Walker Eiji Hagashi Steve M Cordina Hong Gee Roh Ken Wong Juan F Arenillas Mario Martinez-Galdamez Jordi Blasco Alejandro Rodriguez Vasquez Luisa Fonseca M Luis Silva Teddy Y Wu Simon John Alex Brehm Marios Psychogios William J Mack Matthew Tenser Tatemi Todaka Miki Fujimura Roberta Novakovic Jun Deguchi Yuri Sugiura Hiroshi Tokimura Rakesh Khatri Michael Kelly Lissa Peeling Yuichi Murayama Hugh Stephen Winters Johnny Wong Mohamed Teleb Jeremy Payne Hiroki Fukuda Kosuke Miyake Junsuke Shimbo Yusuke Sugimura Masaaki Uno Yohei Takenobu Yuji Matsumaru Satoshi Yamada Ryuhei Kono Takuya Kanamaru Masafumi Morimoto Junichi Iida Vasu Saini Dileep Yavagal Saif Bushnaq Wenguo Huang Italo Linfante Jawad Kirmani David S Liebeskind Viktor Szeder Ruchir Shah Thomas G Devlin Lee Birnbaum Jun Luo Anchalee Churojana Hesham E Masoud Carlos Ynigo Lopez Brendan Steinfort Alice Ma Ameer E Hassan Amal Al Hashmi Mollie McDermott Maxim Mokin Alex Chebl Odysseas Kargiotis Georgios Tsivgoulis Jane G Morris Clifford J Eskey Jesse Thon Leticia Rebello Dorothea Altschul Oriana Cornett Varsha Singh Jeyaraj Pandian Anirudh Kulkarni Pablo M Lavados Veronica V Olavarria Kenichi Todo Yuki Yamamoto Gisele Sampaio Silva Serdar Geyik Jasmine Johann Sumeet Multani Artem Kaliaev Kazutaka Sonoda Hiroyuki Hashimoto Adel Alhazzani David Y Chung Stephan A Mayer Johanna T Fifi Michael D Hill Hao Zhang Zhengzhou Yuan Xianjin Shang Alicia C Castonguay Rishi Gupta Tudor G Jovin Jean Raymond Osama O Zaidat Raul G Nogueira SVIN COVID-19 Registry,the Middle East North Africa Stroke and Interventional Neurotherapies Organization(MENA-SINO),Japanese Society of Vascular and Interventional Neurology Society(JVIN) | 2021 | Stroke & Vascular Neurology2021,6,4: | 0 |
| 18 | 放射性核素标记心肌肌球蛋白重链单抗检测心肌损伤的实验研究显示文摘为探讨急性心肌梗塞病灶心肌细胞损伤程度,采用放射性核素标记心肌肌球蛋白重链(CMHC)单克隆抗体(McAb)进行了实验性心肌损伤大鼠和心梗模型犬的研究。125I-CMHCMcAb注射大鼠后4h,标记抗体即已进入坏死心肌靶组织,8h达最高值。实验组心肌/对照组心肌比值为2.86。99mTC-CMHCMcAb犬显像,实验组中有3只于6h心肌梗塞灶显影清晰,4只于8h显影清晰,阳性检出率为70%。动物实验提示;大鼠损伤心肌对CMHCMcAb的结合力高于正常心肌,心梗模型犬CMHCMcAb放免显像阳性检出率高,可为临床急性心肌损伤检测提供可靠的定位诊断依据。 | ZHAO Jie MA Qingjie ZHU Xiaojuan ZHENG Jun XU Wengui NIU Gang GUO Lingyun GAO Fengtong(The Third Clinical Medical College, Norman Bethune University of Medical Sciences, Changchun 130031)(Nouth East Normal University, Changchun 130021)(208th, Hospital of | 1998 | 核技术1998,21,11: | 0 |
| 19 | Crossed Micro-bands in the Martensite Variant Pairs of a Thermomechanically Trained Cu-Zn-Al Alloy显示文摘The crossed micro-bands in the martensite variant pairs of a thermomechanically trained Cu25.66Zn-4.02Al (wt-%) alloy have been studied. It was found that the micro-bands pass through the interface from one martensite variant to another and their orientation inside different variants is distinct, which would remain in the parent phase after the reverse transformation and play an important role in the formation of preferential martensite. In fact, the crossed micro-bands are micro-twins for accommodating the stress fields generated during thermomechanically | Qingan ZHANG and Nanju GU (Hebei Institute of Technology Tianjin, 300130, China)(East China Institute of Metallurgy,Ma’anshan, 243002, China) | 1995 | Journal of Materials Science & Technology1995,11,6: | 0 |
| 20 | Frequency stabilization of Nd:YVO_4 mini-laser using the third-harmonic detection显示文摘Via saturated absorption spectroscopy and thethird-harmonic detection techulque, the hyperfine spectra of127I2 near 532 nm have been observed within the tuningrange of a mini Nd: YVO4-KTP laser. The laser is frequencystabilized against one hypeffine structure (hfs) component of127I2. The analysis of error signal shows that it is possible torealize a bouency stability of 3.0 × l0-l3 at 1 s avrmge time. | LIU Yanghui, LI Xiaoyong, Bl Zhiyi & MA LongshengDepartment of Physics, Key Laboratory for Optics and Magnetic Resonance Spectroscopy, East China Normal University, Shanghai 200062, China | 2002 | Chinese Science Bulletin2002,47,22: | 0 |